组合报道
案例:
下面是学生小李在解答一道题目时的解法:

问题:
(1)请指出学生小李的错误,并分析出现错误的原因;
(2)如果你是小李的老师,在教学过程如何帮助小李避免这样的错误再出现。
but we have at least drawn nearer the point of admitting that birds should continue as a matter of intrinsic right, regardless of the presence or absence of economic advantage to us.